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AddInToken.Activate(Of T) Method (AddInProcess, AddInSecurityLevel)

Activates an add-in in an external process, in a new application domain, and with a specified trust level.

Namespace:  System.AddIn.Hosting
Assembly:  System.AddIn (in System.AddIn.dll)

<PermissionSetAttribute(SecurityAction.Demand, Name := "FullTrust")> _
Public Function Activate(Of T) ( _
	process As AddInProcess, _
	level As AddInSecurityLevel _
) As T

Type Parameters


The interface or abstract base type that represents the host view of the add-in.


Type: System.AddIn.Hosting.AddInProcess

The external process in which to activate the add-in.

Type: System.AddIn.Hosting.AddInSecurityLevel

One of the enumeration values that specifies the trust level.

Return Value

Type: T
The host view of the add-in.

This method sets the base directory for the application domain to be the location of the add-in assembly. It also looks for the configuration file [addinassemblyname].dll.config and, if found, sets it to be the configuration file for the new application domain.

The following example creates a new process and activates an add-in in that process with a full trust security level.

' Create an external process. 
Dim pExternal As New AddInProcess()

' Activate an add-in in the external process 
' with a full trust security level. 
Dim CalcAddIn4 As Calculator = _
    selectedToken.Activate(Of Calculator)(pExternal, _

' Show that the add-in is an an external process 
' by verifying that it is not in the current (host's) process. 
Dim AddinCtl As AddInController = AddInController.GetAddInController(CalcAddIn4)
Console.WriteLine("Add-in in host's process: {0}", _

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • SecurityAction.Demand 

    full trust for the immediate caller. This member cannot be used by partially trusted code.

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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